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+#ifndef flash_io_host_h
+#define flash_io_host_h
+/* flash_io.host.h */
+/* avr.flash - AVR Flash SPI use. {{{
+ *
+ * Copyright (C) 2009 Nelio Laranjeiro
+ *
+ * APBTeam:
+ * Web: http://apbteam.org/
+ * Email: team AT apbteam DOT org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * }}} */
+#include "common.h"
+
+/** Erase the memory.
+ * \param start_addr the start address.
+ * \param size the size to erase.
+ */
+void
+flash_io_erase (uint32_t start_addr, uint32_t size);
+
+/** Initialise the flash memory.
+ * \param flash_size the flash size.
+ * \return true if the flash is present, false otherwise.
+ */
+uint8_t
+flash_io_init (uint32_t flash_size);
+
+/** Write in the flash byte provided in parameter.
+ * \param addr the address to write the data.
+ * \param data the buffer to store the data.
+ */
+void
+flash_io_write (uint32_t addr, uint8_t data);
+
+/** Read the data at the address provided.
+ * \param addr the address of the data to read.
+ * \return the data read.
+ */
+uint8_t
+flash_io_read (uint32_t addr);
+
+/** Read a data from the flash memory from the address provided and for a
+ * length of the number of bytes provided.
+ * \param addr at which the data should be read.
+ * \param buffer the buffer to fill with the read data.
+ * \param length the length of the data to read.
+ */
+void
+flash_io_read_array (uint32_t addr, uint8_t *buffer, uint32_t length);
+
+/** Write in the flash byte provided in parameter.
+ * \param addr the address to store the data.
+ * \param data the array to store.
+ * \param length the array length
+ */
+void
+flash_io_write_array (uint32_t addr, uint8_t *data, uint32_t length);
+
+#endif /* flash_io_host_h */